Add User in An Encrypted Home Folder at Different Harddisk

sudo apt-get install ecryptfs-utils  #You may need this packet
mkdir  /home2
chmod 777 /home2 
sudo adduser --encrypt-home username --home /home2/username

Display Skype (and others) Icon in the Unity Dashbar

gsettings set com.canonical.Unity.Panel systray-whitelist “[‘JavaEmbeddedFrame’, ‘Wine’, ‘Skype’, ‘Dropbox’, ‘Cryptkeeper’]”

setsid unity

Quoted from http://www.webupd8.org/2011/04/things-to-tweak-fix-after-installing.html

LyX: Support IEEE format.

Install texlive-publishers. Then Lyx->Tools->Reconfigure.